Joshua brings us this amazing pair of notes from his apartment building in Philly.

The backstory: “A bulk package of cat food (probably 20 or so cans) was delivered and sat in the hallway for about 4 or 5 days.  We could see what it was because the sides of the package were cardboard, but the top was clear plastic. (Like what you’d find at Costco).  On day 3 or 4 of the cat food being left in the hallway, the plastic had been torn back and a few cans were taken.” The next day, the package was claimed, and this note appeared…

Two days later — luckily, after Joshua snapped a photo — the note disappeared. In its place…

A day later, the response note was torn down, too.

Mary saw this collection of missives while visiting friends in Long Island City, Queens last spring.

Anthony left a note on the door…

Saving his pennies for someday…

You oughta know by now

Workin’ too hard can give you a heart attackackackackackack

And it seems such a waste of time

You should never argue with a crazy mi-mi-mi-mi-mi-mind

But she’s not movin’ out.

Paddy in Belfast sends us this series of shots from his office kitchen, where several of his coworkers have taken their frustrations with microwave cleanliness into their own hands.

It all started when one day, a microwave appeared bearing this note:

…but SDT wasn’t taking any chances.

Later, a second microwave appeared, complete with its own note:

…which prompted this note on the wall between them:

related: No smelly foods

alanna lives in a house in ottawa with nine other girls, where “dishes are always being left in the sink dirty and growing stuff, or clean on the counter taking up space.” a note war has commenced on the window above the fridge.

by popular demand, alanna has helpfully posted another picture showing the underlying notes!

During his fourth year of college, Andrew from Waterloo says he lived with some seriously passive-aggressive roommates. The following three notes all went up within a 48-hour period:

Andrew couldn’t resist adding one of his own…

(It was promptly taken down.)

related: The post-it wars

An anonymous Brooklyn mom sends in this choice — dare we say priceless — example of Park Slope’s well-documented mama drama.

related: No money, no trophy

Vici lives in London with five flatmates — all guys.

(If you don’t have a house full of cereal-stealing warcraft players like vici and don’t get the “orly?” thing…wikipedia to the rescue!)

related: cereal killer

After receiving numerous “helpful tips” from her roommate at the University of Minnesota…

…Lydia decided to add a few “tips” of her own. (The large signs on the oven and the microwave were already there.)

related: Meet the world’s crankiest roommate